Do not throw fire extinguishers in the trash.
You may drop off your discharged fire extinguisher at:
Kirchner Fire Extinguisher, 4410 S. Hi Point Road, McHenry, 815-385-8364
Before doing so, with a black marker, put a large "X" on the extinguisher or write on the tag, "To be recycled." Kirchner Fire Extinguisher asks that you drop off extinguishers by their door after business hours, or in the bin nearby.